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Key Documents

720704

Sigma-Aldrich

Iron(III) oxide, dispersion

nanoparticles, ≤110 nm particle size, 20 wt. % in H2O

Synonym(s):

Iron oxide in water

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About This Item

Empirical Formula (Hill Notation):
Fe2O3
CAS Number:
Molecular Weight:
159.69
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23
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form

nanoparticles

concentration

20 wt. % in H2O

particle size

≤110 nm

pH

6-8

density

1.17 g/mL±0.1 g/mL at 25 °C

SMILES string

O=[Fe]O[Fe]=O

InChI

1S/2Fe.3O

InChI key

JEIPFZHSYJVQDO-UHFFFAOYSA-N

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Storage Class Code

10 - Combustible liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Magnetic iron oxide nanoparticles: synthesis, stabilization, vectorization, physicochemical characterizations, and biological applications
Laurent S, et al.
Chemical Reviews, 108(6), 2064-2110 (2008)
Brian T Farrell et al.
Neurology, 81(3), 256-263 (2013-06-19)
The study goal was to assess the benefits and potential limitations in the use of ultrasmall superparamagnetic iron oxide (USPIO) nanoparticles in the MRI diagnosis of CNS inflammatory diseases and primary CNS lymphoma. Twenty patients with presumptive or known CNS
Diana Couto et al.
Toxicology letters, 225(1), 57-65 (2013-12-03)
Iron oxide nanoparticles (ION), with different coatings and sizes, have attracted extensive interest in the last years to be applied in drug delivery, cancer therapy and as contrast agents in imagiologic techniques such as magnetic resonance imaging. However, the safety
Hongrong Jiang et al.
Journal of biomedical nanotechnology, 9(4), 674-684 (2013-04-30)
In present study, we put forward an approach to prepare three-layer core-shell Fe3O4@SiO2@Au magnetic nanocomposites via the combination of self-assembling, seed-mediated growing and multi-step chemical reduction. The Fe3O4@SiO2@Au magnetic nanocomposites were analyzed and characterized by transmission electron microscope (TEM), scanning
Maxime Gauberti et al.
Stroke, 44(7), 1988-1996 (2013-06-08)
Our aim was to assess the spatiotemporal evolution of the cerebrovascular inflammation occurring after ischemic and hemorrhagic strokes using a recently developed, fast, and ultra-sensitive molecular MRI method. We first assessed longitudinally the cerebrovascular inflammation triggered by collagenase-induced hemorrhage and

Questions

1–2 of 2 Questions  
  1. Product 720704 is a dispersion of iron(III) oxide particles in water. Is there also a dispersant present? If so, what is the structure of the dispersant?

    1 answer
    1. The dispersant is an ethoxylated carboxylic acid. Please see the structure in the attached pdf file. The carboxylic acid is esterified, so the terminus, as shown, is an alcohol.

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  2. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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